Who called the ""Voice of the South"" during the Antebellum Era?

John Caldwell Calhoun

Explanation:

John Caldwell Calhoun was an American senator from South Carolina who served as the seventh vice president to the United States (1825-1832). Calhoun is remembered for his argument that slavery is not only a "necessary evil" but is in fact a "positive good." Calhoun also argued that minorities (in this case, white Southerners) needed to be protected in politics. Although his views changed with time, he was still a strong influence in the South's decision to secede from the North.

the answer should be monarchy